def test_deep_replace():
nested = Object({'key': [{'abc': 123}, {'def': 456}], 'other': 0})
insert = Object({'xyz': 789})
assert (
deep_replace(nested, ['key', 0], insert) ==
{'key': [{'xyz': 789}, {'def': 456}], 'other': 0}
)
assert (
deep_replace(nested, ['key'], insert) ==
{'key': {'xyz': 789}, 'other': 0}
)
assert deep_replace(nested, [], insert) == {'xyz': 789}
def test_deep_replace_type_error():
node = {'key': 'value'}
with pytest.raises(TypeError):
deep_replace(node, ['key'], 123)
